Split or Merge Video Files on Mac
Pavtube Media Magician for Mac is a user-friendly package designed for video transferring, compressing, converting and entry-level video editing. It helps you transfer any AVCHD (and other HD cam) videos to Mac HDD, make your own film with some basic editing, and upload your masterpiece to YouTube. Also, it gets your MTS, M2TS, TOD, MOD, MOV, MXF video into the correct format to suit your project of Final Cut Pro, Adobe Premiere, Avid Media Composer, iMovie, etc. No matter you are an experienced videographer or a video-editing novice, you will be very impressed with its easy-to-use process and its compatibility with a wide variety of cameras/camcorders footage, such as MXF, AVCHD*(MTS, M2TS), AVCHD Lite*(MTS, M2TS), MOV, TOD, MOD, MP4, AVI, etc.
Supported formats:
Media Magician for Mac supports the same import and export formats as Pavtube Video Converter for Mac does.
Split/Merge features:
a). Merge multiple AVI, WMV, MP4, MPG, etc files into one big file.
b). Cut out junk frames from each video and join the rest clips while exporting your self-made film.
c). Export video in AVI, MP4, MPG, MKV, etc with specified quality (high, medium, low quality).
http://www.pavtube.com/top-5-apps-for-split-merge-videos-on-mac.html